<template>
  <el-form ref="deptForm" label-width="120px" :model="form" :rules="rules">
    <el-form-item label="部门名称" prop="name">
      <el-input
        v-model="form.name"
        style="width: 80%"
        placeholder="1-10个字符"
      />
    </el-form-item>
    <el-form-item label="部门编码" prop="code">
      <el-input
        v-model="form.code"
        style="width: 80%"
        placeholder="1-10个字符"
      />
    </el-form-item>
    <el-form-item label="部门负责人" prop="manager">
      <el-select v-model="form.manager" style="width: 80%" placeholder="请选择">
        <el-option
          v-for="item in list"
          :key="item.id"
          :value="item.username"
          :label="item.username"
        />
      </el-select>
    </el-form-item>
    <el-form-item label="部门介绍" prop="introduce">
      <el-input
        v-model="form.introduce"
        style="width: 80%"
        placeholder="1-300个字符"
        type="textarea"
        :rows="3"
      />
    </el-form-item>
    <el-form-item>
      <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
      <el-button size="small" @click="hCancel">取消</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
import { getEmployeesSimple } from '@/api/employees.js'
import {
  addDepartments,
  getDepartmentDetail,
  updateDepartments
} from '@/api/departments'
import { logger } from 'runjs/lib/common'
import { title } from '@/settings'

export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    // 效验部门在同级部门中是否重复
    const validName = (rule, value, callback) => {
      // 找到当前点击部门的子部门
      let exisNameList = this.originList
        .filter((item) => item.pid === this.id)
        .map((item) => item.name)
      // 效验部门名称在同级部门中不能重复
      if (this.isEdit) {
        // 获取当前部门的pid
        const pid = this.originList.find((item) => item.id === this.id).pid
        // 获取被占用的名称列表
        exisNameList = this.originList
          .filter((item) => item.pid === pid)
          .filter((item) => item.id !== this.iid)
          .map((item) => item.name)
      }
      // 判断当前用户输入的部门名称是否已经存在在数组
      if (exisNameList.includes(value)) {
        callback(new Error(`已存在:${value}`))
      } else {
        callback()
      }
    }

    //   效验编码在项目中是否重复
    const validCode = (rule, value, callback) => {
      // 如果当前输入的部门编码存在，提示用户重新输入
      const exsitCodeList = this.originList.map((item) => item.code)
      console.log('exsitCodeList', exsitCodeList)

      // 如果是编辑状态,需要把当前的编码移除
      if (this.isEdit) {
        exsitCodeList = this.originList
          .filter((item) => item.id !== this.id)
          .map((item) => item.code)
      }

      if (exsitCodeList.includes(value)) {
        // 存在
        callback(new Error(`该部门编码:${value}已经存在`))
      } else {
        // 不存在
        callback()
      }
    }
    return {
      form: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门负责人
        introduce: '' // 部门介绍
      },
      // 校验规则
      rules: {
        name: [
          { required: true, message: '部门名称不能为空', trigger: 'blur' },
          {
            min: 1,
            max: 10,
            message: '部门名称要求1-10个字符',
            trigger: 'blur'
          },
          { validator: validName, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '部门编码不能为空', trigger: 'blur' },
          {
            min: 1,
            max: 10,
            message: '部门编码要求1-10个字符',
            trigger: 'blur'
          },
          { validator: validCode, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '部门负责人不能为空', trigger: 'blur' }
        ],
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger: 'blur' },
          {
            min: 1,
            max: 300,
            message: '部门介绍要求1-300个字符',
            trigger: 'blur'
          }
        ]
      },
      list: []
    }
  },
  // 解决数据不更新的方式3
  watch: {
    // 可以倾听 props中的属性或者data函数的属性
    id: function(new_value, old_value) {
      this.loaDepartmentDetail()
    }
  },

  created() {
    // 加载部门负责人
    this.loadEmployeesSimple()
    // 如果是编辑状态触发函数实现编辑
    if (this.isEdit) {
      this.loaDepartmentDetail()
    }
  },
  methods: {
    // //重置表单
    // resetForm(){
    //   this.$refs.deptForm.resetFields()
    // },
    // 获取部门详情数据
    async loaDepartmentDetail() {
      try {
        const res = await getDepartmentDetail(this.id)
        if (res.code === 10000) {
          // 将获取的部门详情填充到表单
          this.form = res.data
        }
      } catch (error) {
        console.log('error', error)
      }
    },
    // 加载部门负责人
    async loadEmployeesSimple() {
      try {
        const res = await getEmployeesSimple()
        console.log('res', res)
        this.list = res.data
      } catch (error) {
        console.log(error)
      }
    },
    // 新增子部门
    async doAdd() {
      try {
        const res = await addDepartments({ pid: this.id, ...this.form })
        console.log('res', res)
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        // 重新渲染
        // 关闭弹层
        this.$emit('success')
      } catch (error) {
        console.log('error', error)
      }
    },
    // 实现部门编辑
    async doEdit() {
      try {
        const res = await updateDepartments(this.form)
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        // 重新渲染页面
        // 关闭弹层
        this.$emit('success')
      } catch (error) {
        console.log('error', error)
      }
    },
    hSubmit() {
      this.$refs.deptForm.validate((valid) => {
        if (!valid) return // 效验失败
        // 效验成功  实现编辑功能
        this.isEdit ? this.doEdit() : this.doAdd()
      })
    },
    hCancel() {
      // 子传父,关闭弹层
      this.$emit('close')
    }
  }
}
</script>

<style scoped></style>
